- Coddenham Astronomical Observatory - Dedicated to the search for and research of Supernovae.
- Extrasolar Planet Search Project - Dedicated to amateur radial velocity studies.
- Hellenic Supernova Search Team - Features a description of supernovae, members, observatory information, sponsors, other projects, gallery, and news.
- MBCAA Observatory - Observations of variable stars and transient phenomena.
- Systemic - A collaborative effort with public participation to build a statistical model of the galactic planetary census.
- The Puckett Observatory - Study of comets and the discovery of supernovae.
